package com.ynet.user.utils;

/**
 * @ClassName
 * @Description
 * @Author liwq
 * @Date 2021/1/17 17:28
 * @Version 1.0
 */
public class MyStringUtil {

    /**
     * 检验字符串是否为空
     *
     * @param str
     * @return
     */
    public final static boolean isNull(String str) {
        return str == null || "".equals(str.trim()) || "null".equals(str.toLowerCase());
    }



}
